Home / 66,767.29-100,148.28-16,846.72

Finding the Fourth Proportional to 66,767.29, 100,148.28 and 16,846.72

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Solution

The fourth proportional to 66,767.29, 100,148.28 and 16,846.72 is: 25,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767.29 : 100,148.28 = 16,846.72 : x
  2. Step 2: Convert to fraction form
    66,767.29/100,148.28 = 16,846.72/x
  3. Step 3: Cross multiply
    66,767.29x = 100,148.28 × 16,846.72
  4. Step 4: Simplify right side
    66,767.29x = 1,687,170,031.64
  5. Step 5: Solve for x
    x = 1,687,170,031.64/66,767.29
  6. Step 6: Final answer
    x = 25,269.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.